US3544823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power electrical machine such as a turbogenbrator
Assignee: Individual
•
Filing: 1968-12-17
•
Granted: 1970-12-01
•
Expires: 1988-12-17
Abstract
No abstract record available.
Inventors
- 👤 Alexandr Abramovic Chigirinsky
- 👤 Boris Volkovich Spivak
- 👤 Lazar Yankelevich Stanislavsky
- 👤 Vladimir Mordokheev Rabinovich
- 👤 Anatoly Kuzmichlevitsky
- 👤 Alexander Ivanovich Kraschenko
- 👤 Oleg Borisovich Gradov
- 👤 Evgeny Khalmovich Glider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:49
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2417195A
Cited
US2488458A
Cited
US2804559A
Cited
US3053390A
Cited
US3419957A
Cited
US3445698A
Cited
US3437853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |